fix some specs

README.md

@@ -8,11 +8,13 @@
 * RCURLY `}`
 * LPAREN `(`
 * RPAREN `)`
-* ID `[all]`
+* ID `[any]`
 * SEMI `;`
 * COMMA `,`
 * ARROW `->`
 * STAR `*`
+* ANDREF `&`
+* DOLLAR `$`
 * COMMENT `#`
 * NUM `[0-9]*(.[0-9]+)?`
 * RETURN `return`
@@ -23,8 +25,25 @@
 ## Syntax Spec
 
 ```
-decl := val typespec id stmt ;
+program     := defn*
-typespec := id | [id* -> id?]
+defn        := VAL type ID ;
-stmt := 
+             | VAL type ID expr ;
+             
+expr        := atom atom* ;
+
+atom        := ID
+             | NUM
+             | STR
+             | lambda
+             | compound
+             | reference
+             | dereference
+
+stmt        := defn
+             | expr 
+             
+
+stmt        := defn | st
+
 
 ```